Well that is right (assuming that there were 3 transactions done first in dehiwela, then in nairobi then again in dehiwela in the span of 10 minutes) then it is a possible fraud. And that should be captured.
My issue here is that I should be able to capture just that, in one go, using counting pattern <3:> rather than having to use intermediate streams. Well, ideally. On Wed, Oct 29, 2014 at 1:45 PM, Awanthika Senarath <[email protected]> wrote: > Hi Seshika, > > yes, as long as you are comparing against a constant it will work, but > here since you are comparing against the event elements themselves, > according to your equation I think you can get an event as below too, > > [3714496353984310, Dehiwela, Nairobi, Dehiwela] > > correct me if I am wrong :) > > On Wed, Oct 29, 2014 at 1:24 PM, Seshika Fernando <[email protected]> > wrote: > >> Well when we use counting patterns, we can have multiple occurrences of >> e1 or e2. Refer, the last part of [1] >> >> 1. https://docs.wso2.com/display/CEP310/Patterns >> >> On Wed, Oct 29, 2014 at 1:21 PM, Awanthika Senarath <[email protected]> >> wrote: >> >>> Hi Seshika, >>> >>> The problem seems to be involved with comparing more than two events for >>> a pattern, I'm not much familiar with siddhi.. yet according to your logic >>> you only check for >>> e2 = Transaction[(e2.cardnum == e1.cardnum) and (e2.location != >>> e1.location)] >>> >>> essentially your output will have a null event for the third location >>> unless you take an e3 >>> >>> On Wed, Oct 29, 2014 at 1:16 PM, Seshika Fernando <[email protected]> >>> wrote: >>> >>>> Thanks Awanthika. Once again, this defeats the purpose of having >>>> counting patterns doesnt it? >>>> >>>> On Wed, Oct 29, 2014 at 1:12 PM, Awanthika Senarath <[email protected] >>>> > wrote: >>>> >>>>> Hi Seshika, >>>>> >>>>> One work around you can do is check whether loc3 is null in an >>>>> intermediate stream and insert it to FraudAlert. >>>>> >>>>> >>>>> thanks and regards >>>>> Awanthika >>>>> >>>>> >>>>> -- >>>>> Awanthika Senarath >>>>> Software Engineer, WSO2 Inc. >>>>> Mobile: +94717681791 >>>>> >>>>> >>>>> >>>> >>> >>> >>> -- >>> Awanthika Senarath >>> Software Engineer, WSO2 Inc. >>> Mobile: +94717681791 >>> >>> >>> >> > > > -- > Awanthika Senarath > Software Engineer, WSO2 Inc. > Mobile: +94717681791 > > >
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